Samsung PM991a 1TB PCIe 3.0 x4 NVMe M.2 2230
Samsung
59 Overall Score
vs
Seagate FireCuda 530R 4TB PCIe 4.0 x4 NVMe M.2 2280
Seagate
91 Overall Score
What Buyers Say
Samsung PM991a 1TB PCIe 3.0 x4 NVMe M.2 2230
No customer feedback yet
Seagate FireCuda 530R 4TB PCIe 4.0 x4 NVMe M.2 2280
85 out of 100 low confidence 5 reviews
This SSD is praised for its exceptional durability and high endurance, with a 5-year warranty and Rescue Services adding peace of mind. Users highlight its blazing-fast sequential read and write speeds, which are ideal for gaming and heavy workloads. The support for DirectStorage is a plus for modern gaming setups. However, some users note that compatibility with all computers may not be guaranteed, so checking system requirements is advised.
Pros
- 5-year warranty
- Rescue Services included
- High endurance (5,050TBW)
- Fast sequential read/write
- DirectStorage support
Cons
- Compatibility not guaranteed
- May not fit all computers
Durability 1
Warranty 1
Performance 1
Compatibility 1
Directstorage support 1
Scores
Laptop
Gaming
Console
Workstation
Budget
Portable
Specifications
| Samsung PM991a | Seagate FireCuda 530R | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2230 | M.2 2280 |
| Interface | PCIe 3.0 x4 | PCIe 4.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 3 | 4★ |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | ||
| Random Write (IOPS) | ||
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | — | ✗ |
| Controller | — | E18 |
| Reliability | ||
| Endurance (TBW) | No data | |
| MTBF (hours) | No data | |
| Warranty (years) | — | 5★ |
| Features | ||
| Heatsink | — | ✗ |
Pros & Cons
Samsung PM991a 1TB PCIe 3.0 x4 NVMe M.2 2230
- Strong random (84th percentile)84th %ile
- Strong social proof (77th percentile)
- Below average endurance (15th percentile)15th %ile
Seagate FireCuda 530R 4TB PCIe 4.0 x4 NVMe M.2 2280
- Strong random (96th percentile)96th %ile
- Strong endurance (96th percentile)96th %ile
- Strong speed (93rd percentile)93rd %ile
- Strong capacity (93rd percentile)93rd %ile
- Below average affordability (7th percentile)7th %ile
Pricing
Samsung PM991a 1TB PCIe 3.0 x4 NVMe M.2 2230
Seagate FireCuda 530R 4TB PCIe 4.0 x4 NVMe M.2 2280
No current pricing available
Verdict
Winner: Seagate FireCuda 530R
Scores 91 overall, wins 5 of 6 usage categories and 9 of 17 specs.
